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Power Limit & Overclocking 1080 Ti

geordiejc

geordiejc

geordiejc

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Joined
1 Nov 2013
Posts
860
Got my Gigabyte 1080 Ti (Gaming OC)

At STOC afterburner settings i'm hitting power limit all the time. I increased the power limit to 120% and it still hits it every time. (see pic of afterburner power limit)

Is this normal behaviour? i havent even tried overclocking yet....

STOC Core ~1810MHz
Power 120% ~1873MHz

screenshot_204.png


Help!?
 
Yes, it is normal. You will need a Tier 2 card (e.g. Gigabyte Auros Xtreme) to get a much higher power-limit out of the box.
 
Adding 100mhz to this card with 120% power netted an average core clock of 1936. What a pile of crap this card is.

Could I be doing something wrong I have more than plenty air flow and an 850w xxx black edition (seasonic) psu.

Card temps between 72-75 under heaven full load using stoc fan profile
 
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not really, under water and optimal conditions my FE card will down-clock to the 19xx range.

If you look through the threads, everyones cards are pretty much the same.

IMHO - I would not send the card back as long as you are happy with the noise levels. The only peeps that really need the higher power limits will be those that bench.

The FTW3 card's won't bring anything new to the table.
 
Before you send the card back, try to overclock using the Boost 3.0 curve not the sliders.
The overclocks results are more stable.
 
The Aorus Xtreme is a much more complete card than this one. Found it for pre-order at £799.99, although most places have it up for about £859.99.

It has 2x8pin and it's not just for show. The max TDP is really 375w if you push the power limit slider to maximum. With 300w coming from the 2x8pin, 75w from PCI-E.
 
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@Besty - I've just been playing Ghost Recon Wildlands for ~20 mins the card is running @ 2012MHz stable with 120% power and +100 Core + 400 Mem @ 77C. My GPU clocks of 1936 were from 3dmark. Lesson learnt use games not benchies!
The card does have some coin whine though... here's a video at full gaming load.

My PSU is the loudest component in my case im thinking about ordering the EVGA G2 as its near silent i hear?

@Panos - i've never used the curve , fancy walking me through it?

@RanxZy - I'm sure the card is, but my card is running > 2000mhz on air, which im happy with.
 
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geordiejc said:

[USER=90574]@Panos - i've never used the curve , fancy walking me through it?
[/USER]
Click to expand...



Look at this one here
[URL]http://www.overclock.net/t/1607475/overclocking-gtx-1080-and-1070-and-afterburners-curve-editor[/URL]

Gives a general idea.

Basically crack up the power sliding bars and your [B]usual [/B]overclock[B] -12mhz [/B]& overclock VRAM. Don't touch anything else.
Press ctrl+F

And start working with the offsets. Set the segments of 1.093v to +24mhz of what the value is currently and [B]all segments[/B] to it's right as same speed.
Set the one to the left at same speed also.

The one to it's left drop 12mhz down. Next two points drop another 12mhz, and then start dropping 12mhz per point for the next 2-3 points. Leave the rest.
A curve could look similar to this, but with a bit curve around 1.064 etc.
[IMG]http://www.overclock.net/image/id/12293698/width/900/height/900/flags/LL[/IMG]

Run a round of 3d Mark Spy at 100% fan speed. If it holds the overclock, continue adding 12-24mhz on the points above 1.025v.
Run 3d Mark Spy again, and continue. When you see the card throttling heavily, leave it there or drop 24mhz. With a normal WC 1080 had achieve 2190 core 24/7 like the guy who wrote the article. I could do 2202 only if the card wasn't hitting 32C when the room was bit cold. (was running 35-37C under benching regardles)

FYI all Pascal cards throttle from 32C by 12mhz for every 10C. After 52C they drop 24mhz per 10C after 72C even more.

Share your progress and see if I can help more :) Also as you go closer to your limit use the L key at the 1.1v mark to lock the previous point.
That would force the card to run at that speed, if there is no thermal throttling.

I would love to put my hands on the TXP (new one) and the 1080Ti, watercool them and share my Boost 3.0 experience and knowledge, however we are so close to the Vega release, and that would depend of the latter performance.
 
geordie: it is because some games do not tax the gpu as much as 3dmark. you can replicate a sub 2000mhz clock by running elite dangerous.
 
@Panos - I'll try your guide now, thanks mate i'll come back to you.

@RanxZy I've just ordered the Corsair RM650x it's a silent PSU all the way upto 500w then 26 dBA between 500-650w.

The problem is i'll hear that bloody coil whine on the 1080 ti.

@Besty - i've got elite i'll download it. when you say replicate a sub 2000mhz clock, why would i do this (sorry im a bit thick tonight mate lol )
 
Go to the point at 1.093v add 48mhz. set same speed to the point to its left and all to the right.
add +36 offset to the next two to the left (from the one left to the 1093)
and +24 offset to the next two.

run 3d mark spy. if stable add 24 mhz to all and repeat.
when you close to throttling speeds. go to the 1100 point and press L.
 
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